Table 1.

B7-H3 expression and clinicopathological features of patients with lung adenocarcinoma

Features	n	B7-H3 expression		P-value
		Low expression	High expression
Age (years)				>0.05
≥60	76	33	43
<60	75	35	40
Gender				>0.05
Male	83	33	50
Female	68	35	33
Smoking				>0.05
Yes	78	35	43
No	73	33	40
Differentiation				>0.05
Well/moderate	62	25	37
Poor	89	43	46
Tumor size				>0.05
≤3 cm	28	10	18
>3 cm	123	58	65
Lymph node metastasis				<0.05
Yes	104	35	69
No	47	33	14
TNM stage				<0.05
I	21	17	4
II	42	23	19
III	38	13	25
IV	50	15	35
EGFR gene mutation				>0.05
Yes	72	31	41
No	47	22	25
Unknown	32	15	17